77.8% of residents of Utopia speak English at home.
20.7% of residents speak Spanish at home (44% speak English very well, 4% speak English well, 34% speak English not well, 18% don't speak English at all).
1.5% of residents speak other Indo-European language at home (100% speak English well).

Foreign born population: 380 (40.8%)
(71.8% of them are naturalized citizens)